环境描写的作用是什么

页面:/news/view-1044969/ | 耗时:0.3594 s | 内存:1.89 MB | 查询:4 | 缓存读取:4 写入:0 | 加载文件:23
select * from tbl_Articles WHERE ArticleID=1044969 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=1044969 LIMIT 0,1
select * from tbl_Articles_sphinx where id=1044969 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1094371,1091793,441451,1110321,1122328,1086618,1107735,1122831,1111804,428375,426869,1113608,1122434,1105615,1118142,2649053,1303912,440431,1098949,1118579,1104183,1117924,1109418,511790,383456,405438,1304309,1117996,499655,1094419) ORDER BY field (ArticleID,1094371,1091793,441451,1110321,1122328,1086618,1107735,1122831,1111804,428375,426869,1113608,1122434,1105615,1118142,2649053,1303912,440431,1098949,1118579,1104183,1117924,1109418,511790,383456,405438,1304309,1117996,499655,1094419)